A comprehensive look at voter behavior and demographics reveals a momentous prospect: A Hispanic electorate that votes en masse, allies itself with one political party and changes America's political balance for decades.

Some environmental advocates say the federal government is ignoring the real future of solar energy: photovoltaic cells on almost every roof. But even supporters acknowledge rooftop solar isn't the complete answer to the energy question — yet.

Big money, big energy and big environmentalism join forces to support big solar energy projects on federal land in the Southwest. But could these "green" projects actually be anti-environmental boondoggles in the making?